Hahn, Harley. Internet : manual de referencia / Harley Hahn ; Rick Stout. - Madrid, Espaņa McGraw-Hill 1994 - xxv, 692 p. 23 cm - 966 . ISBN: 84-481-1882-0 Subjects--Topical Terms: INTERNETREDES (COMPUTACION). Dewey Class. No.: 004.67/H124i